Nikon 8-18x42 Aculon A211 Binocular
Available on backorder
Key Features
- 8–18× zoom magnification – versatile range for both wide landscapes (8×) and detailed distant views (18×)
- 42 mm objective lenses – ideal balance of brightness and portability
- Eco‑Glass® optics – lead- and arsenic-free lenses with multi-layer coatings for sharp, high-contrast visuals
- Aspherical eyepiece lenses – minimize edge distortion and deliver a flat field of view
- Porro prism design (BaK‑4) – provides rich depth and crisp images across zoom range
- Smooth fingertip zoom control – easy and precise adjustment between 8× and 18×
- Central focusing system – for quick and accurate focus during use
- Fold-down rubber eyecups – comfortable viewing with or without eyeglasses
- Durable rubber-armored body – rugged, non-slip exterior built for field use
- Compact build (~825 g) – affordable trade-off between performance and portability
- Splash-resistant, not waterproof – suitable for light outdoor use
- Interpupillary range 56–72 mm – comfortable fit for most users
- Minimum focus distance ~13 m – ideal for mid- to long-range observations
- Threaded tripod connector – compatible with optional tripod adapter for stable viewing
Description
Nikon Aculon A211 8–18×42 Zoom Binoculars
Versatile Magnification. Lightweight Portability. Legendary Nikon Optics.
The Nikon Aculon A211 8–18×42 binoculars are designed for those who want the flexibility of variable magnification without compromising on image quality. With a zoom range from 8× to 18×, this model lets you quickly adjust your view depending on the situation—whether you're observing wide landscapes or zooming in on distant wildlife or celestial objects.
Despite its powerful zoom capability, the Aculon A211 8–18×42 remains compact and relatively lightweight at just 825g, making it ideal for travel, general outdoor use, and even casual stargazing. The binoculars feature a smooth fingertip zoom control, positioned conveniently on top of the body for quick and precise magnification changes.
Optical Excellence with Eco-Conscious Design
Nikon's signature aspherical eyepiece lenses minimize image distortion even at the edges of the field of view, ensuring clear and sharp visuals throughout the zoom range. The use of lead- and arsenic-free Eco-Glass demonstrates Nikon's commitment to environmental responsibility without compromising on optical performance.
The multi-coated optics enhance light transmission, offering bright, high-contrast images even in low-light conditions. The large 42mm objective lenses gather ample light, making these binoculars a great choice for dawn, dusk, or cloudy-day use.
Comfortable and Rugged for Extended Use
The rubber-armored coating provides a secure, non-slip grip and protects the binoculars from minor shocks and bumps. The ergonomic design, combined with turn-and-slide rubber eyecups, allows comfortable viewing. A central focusing wheel and right-eye diopter adjustment make it easy to fine-tune the focus to your personal vision.
Although not waterproof, the Aculon A211 8–18×42 is splash-resistant, making it suitable for most outdoor environments, except in heavy rain or marine conditions.
Ideal for Various Applications
Whether you're birdwatching, hiking, attending sports events, or casually observing the night sky, the Nikon Aculon A211 8–18×42 offers the flexibility and clarity to suit a wide range of viewing scenarios. For extra stability at higher magnifications, the binoculars are also tripod adaptable, allowing longer viewing sessions without hand fatigue or image shake.
🔧 Nikon 8-18x42 Aculon A211 Binocular Specification Table
| Feature | Specification |
|---|---|
| Magnification | 8–18× (zoom) |
| Objective Lens Diameter | 42 mm |
| Prism Type | Porro |
| Field of View (at 1000 m) | 80 m @ 8× / 37 m @ 18× |
| Apparent Field of View | 35.6° |
| Exit Pupil | 5.3 mm @ 8× / 2.3 mm @ 18× |
| Eye Relief | 9.8 mm |
| Close Focus Distance | 13 m |
| Focus Type | Central focusing + right eye diopter |
| Optical Coating | Multi-coated |
| Eyepiece Design | Turn-and-slide rubber eyecups |
| Environmental Glass | Eco-Glass (lead- and arsenic-free) |
| Tripod Adaptable | Yes (via adapter) |
| Water Resistance | Splash-resistant (not waterproof) |
| Body Coating | Rubber armor |
| Dimensions (L×W) | 185 × 163 mm |
| Weight | 825 g |
✅ Recommended Use Table
| Use Case | Recommendation | Notes |
|---|---|---|
| Birdwatching | ✅ Excellent | Wide zoom range allows close-up views of distant birds. |
| Hiking & Nature | ✅ Very Good | Lightweight enough for day hikes; great zoom flexibility. |
| Wildlife Observation | ✅ Very Good | Ideal for observing wildlife at variable distances. |
| Sports Events | ✅ Excellent | Zoom lets you adjust view based on distance to action. |
| Travel | ✅ Good | Somewhat bulky, but still portable for trips. |
| Astronomy | ⚠️ Limited / Not Ideal | 42mm objective is small for deep-sky viewing; not recommended. |
| Boating | ❌ Not Recommended | Not waterproof or fogproof; risk of moisture damage. |
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